Get Help:Ask a Question in our Forums|Report a Bug|More Help Resources
Oct 25, 2011 04:44 PM|LINK
The error means: The name for a specified resource in a dynamic-linked library or executable file was used more than once.
Go ahead and check all the resources that you have in your application, Embedded files, string resources etc. and make sure the names are unique otherwise you would get this error.
Read more: http://forums.asp.net/t/1649329.aspx